Battery for an electronic device



FIG. 1 is a bottom front perspective view of a battery for an electronic device showing the claimed design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof; and,

FIG. 5 is a bottom view thereof.

The broken lines in the figures show portions of the battery for an electronic device that form no part of the claimed design. 

CLAIM The ornamental design for a battery for an electronic device, as shown and described. 